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AC H3 Crawler
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morleys View Drop Down
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Joined: 12 Aug 2014
Location: Poplar, WI
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote morleys Quote  Post ReplyReply Direct Link To This Post Topic: AC H3 Crawler
    Posted: 12 Aug 2014 at 9:30pm
My AC H3 stopped driving on the right side over about a 1 hour period of time while I was grading. It would only go in a circle to the right. I pulled the clutch from the right final drive housing which had a lot of water and grease in it. All of the teeth on the driving discs (fiber) were gone and the hub spins but is not tight (has wobble when wiggled). Is this just a pilot bearing gone bad, or do I have other problems that would cause it to stop driving on the right side? I must have a worn seal on the drive shaft too with all the grease in the housing. I will replace the drive shaft bearings/seal, the pilot bearing on the clutch and the fiber discs. Anything else? Thanks
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Randaleky View Drop Down
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Joined: 17 Aug 2011
Location: belfry, ky.
Points: 427 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Randaleky Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2014 at 9:57pm
POST SOME PICS AND WE MAY BE ABLE TO HELP. FOR ONE THING I DID ON BOTH OF MY STEERING CLUTCHES ON HD4 WAS REPLACE WITH THE NEW BI-METALIC TYPE. CAN PURCHASE WHAT YOU NEED FROM GENERAL TRACTOR PARTS IN IDAHO. ALSO CAN GET HUB PARTS FROM BLOUNT PARTS IN GEORGIA. 
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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41942 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2014 at 9:25am
Check bearings and seal on the driven side also as these support the clutch drum.
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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morleys View Drop Down
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Joined: 12 Aug 2014
Location: Poplar, WI
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote morleys Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2014 at 8:46pm
Thanks for the responses. I replaced the drive shaft bearings and seals. The pinion shaft seems solid but there are other bearings for the final drive gear and sprocket that I can't get to without removing the track. So, I think I will put the clutch back in with the new pilot bearing and discs and hope for the best.
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